drivers: staging: rtl8188eu: Fix spelling in two comments i.e defalut to default

Fixed two spelling in two different comments.

s/defalut/default/p

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Link: https://lore.kernel.org/r/20201029124953.3957-1-unixbhaskar@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>